Home / 1,014,517.50-1,400,078.16-561,808.50

Finding the Fourth Proportional to 1,014,517.50, 1,400,078.16 and 561,808.50

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Solution

The fourth proportional to 1,014,517.50, 1,400,078.16 and 561,808.50 is: 775,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,517.50 : 1,400,078.16 = 561,808.50 : x
  2. Step 2: Convert to fraction form
    1,014,517.50/1,400,078.16 = 561,808.50/x
  3. Step 3: Cross multiply
    1,014,517.50x = 1,400,078.16 × 561,808.50
  4. Step 4: Simplify right side
    1,014,517.50x = 786,575,810,952.36
  5. Step 5: Solve for x
    x = 786,575,810,952.36/1,014,517.50
  6. Step 6: Final answer
    x = 775,320.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.